Tech Info
Tech Info
Product Guide
The applications of electromagnets and solenoids play a vitally important role across a vast spectrum, ranging from everyday household appliances and light to heavy industries, to various safety and security systems, and even emerging, cutting-edge automated AI technologies. The sheer diversity and flexibility of electromagnet and solenoid types allow for effective adaptation to various application needs, enabling precise adjustments to product parameters to satisfy high-precision, customized requirements.
Because the scope of application for these products is exceptionally broad, no single standard model can perfectly fit every different scenario. How to select the most suitable specifications from among numerous product types remains a critical and essential challenge.
Electromagnet Application & Selection Guide
01
Key Selection Factors for Electromagnets
Solenoid Dimensions
Confirm the available installation space within the mechanism (length / width / height).
Avoid interference with surrounding components to ensure a smooth and secure installation.
Solenoid Action Direction
Select the action type—push, pull, or rotary—based on operational requirements.
Confirm the return mechanism for the plunger when power is disconnected.
(Integrated solenoid return spring / plunger self-weight / client-side mechanical mechanism return)
Solenoid Stroke (Plunger Travel Distance)
- Evaluate the required travel distance of the mechanism first to prevent insufficient stroke.
Force (Magnetic Attraction)
- It is essential to first estimate the required stroke length versus the necessary actuation force at that specific stroke within the product application.
- Based on the duty cycle (on/off frequency) of the application, suitable coil parameters and electromagnet specifications can then be further engineered.
02
Electrical Conditions & Thermal Management
> Power Supply Conditions & Duty Cycle
> Temperature Rise & Operating Temperature Limits
Power Supply Condition and Duty Cycle
Confirm the power input type of the client-side application mechanism (DC / AC / Battery).
Verify whether current-limiting conditions exist to prevent the current from exceeding the design range.
Confirm the maximum single-energization time and operational frequency to avoid overheating or overloading.
Temperature Rise and Operating Temperature Limits
Solenoids generate heat when energized. As the coil temperature or the ambient environment temperature increases, the solenoid’s actuation force decreases.
The upper limit of the operating temperature is restricted by the insulation class of the materials. Higher ambient temperatures narrow the allowable coil temperature rise range; however, the heat resistance class of the coil can be upgraded by selecting appropriate insulation materials.
The actual ambient temperature conditions during equipment operation must be defined in advance.
03
Environmental & Protection Design
> Humidity, Dust, & Protection Requirements
> Ratings & Cost Considerations
Humidity, Dust, and Protection Requirements
High-humidity environments require protection to prevent moisture ingress and avoid external corrosion.
High-dust environments require measures to prevent dust from entering, ensuring operational stability and preventing a reduction in service life.
Corresponding protective designs must be implemented to address specific environmental conditions.
Protection Rating and Cost Considerations
If the product application involves harsh operating environments, custom designs features such as moisture resistance, dustproofing, or corrosion resistance can be utilized to improve performance.
It is recommended to define the environmental conditions and required protection ratings in advance to maximize cost-effectiveness.
Technical Documents and Specifications
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